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Porifera news

New species of Raspailia (Raspaxilla) from W Pacific seamounts

Added on 2018-04-17 04:10:08 by Hooper, John
Ekins, M.; Debitus, C.; Erpenbeck, D.; Hooper, J.N.A. 2018. A new species of the sponge Raspailia (Raspaxilla) (Porifera: Demospongiae: Axinellida: Raspailiidae) from deep seamounts of the Western Pacific. Zootaxa 4410 (2): 379–386
A new species of Raspailia (Raspaxilla) frondosa sp. nov. is described from the deep seamounts of the Norfolk and New Caledonia Ridges. The morphology of the species resembles that of a frond or a fern, and its unique highly compressed axial skeleton of interlaced spongin fibres without spicules in combination with a radial extra axial skeleton of a perpendicular palisade of spicules, differentiate it from all other species of the subgenus. This species is compared morphologically to all 18 other valid species described in Raspailia (Raspaxilla).

Link: https://doi.org/10.11646/zootaxa.4410.2.7



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